One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,9,6,10,4,8)(3,7,11,14,12,15,13,16)(17,18)(19,27)(20,24)(21,33,35,25)(22,26)(23,29,37,34)(28,41)(30,40)(31,38)(32,45,44,39)(36,43,47,46)(42,48)(1,3)(2,7)(4,13)(5,11)(6,12)(8,16)(9,14)(10,15)(17,19,22,30)(18,23)(20,28,31,42)(21,34,35,29)(24,36)(25,40)(26,37)(27,33)(32,46,44,43)(38,47)(39,48)(41,45)(1,4,6,5)(2,8,10,9)(3,11,12,13)(7,14,15,16)(20,31)(24,38)(28,42)(32,44)(36,47)(39,45)(41,48)(43,46)(17,20,22,31)(18,24,26,38)(19,28,30,42)(21,32,35,44)(23,36,37,47)(25,39,33,45)(27,41,40,48)(29,43,34,46)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.